Claude Opus 5.5 (High, Default Fallback) vs GPT-5.4 mini (Xhigh)
Which is better for the money: Claude Opus 5.5 (High, Default Fallback) by Anthropic or GPT-5.4 mini (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Claude Opus 5.5 (High, Default Fallback) scores 29.5 points higher (53.6 vs 24.1) but costs 1.4× as much to run the benchmark ($2172 vs $1524; flagship vs premium cost classes). Pick Claude Opus 5.5 (High, Default Fallback) when the extra intelligence is worth the premium, otherwise GPT-5.4 mini (Xhigh).
| Metric | Claude Opus 5.5 (High, Default Fallback) | GPT-5.4 mini (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.6 | 24.1 | −55.0% GPT-5.4 mini (Xhigh) is 55.0% less intelligent |
| Total AA cost (lower is better) | $2,172.43 | $1,524.02 | −29.8% GPT-5.4 mini (Xhigh) is 29.8% cheaper |
| End-to-end time (lower is better) | 36.61s | 108.99s | +197.7% GPT-5.4 mini (Xhigh) is 197.7% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.75 / $4.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.4 mini (Xhigh) vs Claude Opus 5.5 (High, Default Fallback): 55.0% less intelligence, 29.8% less cost to run the AA benchmark, and 197.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (High, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- GPT-5.4 mini (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (High, Default Fallback)GPT-5.4 mini (Xhigh)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-high/gpt-5-4-mini · Markdown: /api/v1/compare/claude-opus-5-5-high/gpt-5-4-mini?format=md · llms.txt · agent skill